Material: Aluminum Alloy Head + Stainless Steel Thread
Colour: Royal blue/Green/Golden/Dark Red/Black/Silver/Purple/Rose Red/Sky blue/Orange
Surface Treatment: Head Anodizing
Thread Diameter: M6 (6mm)
Thread Pitch: 1.0mm
Head Diameter: 12mm
Head Thickness: 10+10=20mm
Length: 5mm - 100mm (not including the head)
For specific parameters, pls refer to photo 2.
Packing: Plastic bag / Carton box 
Tolerance range: ±1-2mm